Combined towing coupling and removable pin



FIG. 1 is a side elevational view of a combined towing coupling and removable pin showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevational view of a combined towing coupling and removable pin showing a second embodiment of my new design;

FIG. 7 is a front elevational view of FIG. 6;

FIG. 8 is a top plan view of FIG. 6;

FIG. 9 is a rear elevational view of FIG. 6;

FIG. 10 is a bottom plan view of FIG. 6;

FIG. 11 is a side elevational view showing a second embodiment of the removable pin of the design; and

FIG. 12 is a side elevational view showing a third embodiment of the removable pin of the design.

The top and bottom of the second and third embodiments of the removable pin of the design shown in FIGS. 11 and 12 are understood to be flat and unornamented. 

The ornamental design for a combined towing coupling and removable pin, as shown and described. 